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Desert Pathfinder At Work: Sub-millimetre APEX Telescope Inaugurated At Chajnantor

Date:
September 26, 2005
Source:
European Southern Observatory (ESO)
Summary:
The Atacama Pathfinder Experiment (APEX) project celebrates the inauguration of its outstanding 12-m telescope, located on the 5100 m high Chajnantor plateau in the Atacama Desert (Chile). The APEX telescope, designed to work at sub-millimetre wavelengths, in the 0.2 to 1.5 mm range, passed successfully its Science Verification phase in July, and since then is performing regular science observations. This new front-line facility provides access to the "Cold Universe" with unprecedented sensitivity and image quality.

An image of the giant molecular cloud G327 taken with APEX. More than 5000 spectra were taken in the J=3-2 line of the carbon monoxide molecule (CO), one of the best tracers of molecular clouds, in which star formation takes place. The bright peak in the north of the cloud is an evolved star forming region, where the gas is heated by a cluster of new stars. The most interesting region in the image is totally inconspicuous in CO: the G327 hot core, as seen in methanol contours. It is a truly exceptional source, and is one of the richest sources of emission from complex organic molecules in the Galaxy (see spectrum at bottom). Credit: Wyrowski et al. (map), Bisschop et al. (spectrum).


Story Source:

The above story is based on materials provided by European Southern Observatory (ESO). Note: Materials may be edited for content and length.


Cite This Page:

European Southern Observatory (ESO). "Desert Pathfinder At Work: Sub-millimetre APEX Telescope Inaugurated At Chajnantor." ScienceDaily. ScienceDaily, 26 September 2005. <www.sciencedaily.com/releases/2005/09/050926075611.htm>.
European Southern Observatory (ESO). (2005, September 26). Desert Pathfinder At Work: Sub-millimetre APEX Telescope Inaugurated At Chajnantor. ScienceDaily. Retrieved April 16, 2014 from www.sciencedaily.com/releases/2005/09/050926075611.htm
European Southern Observatory (ESO). "Desert Pathfinder At Work: Sub-millimetre APEX Telescope Inaugurated At Chajnantor." ScienceDaily. www.sciencedaily.com/releases/2005/09/050926075611.htm (accessed April 16, 2014).

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